US120888A - Improvement in piston-packings - Google Patents
Improvement in piston-packings Download PDFInfo
- Publication number
- US120888A US120888A US120888DA US120888A US 120888 A US120888 A US 120888A US 120888D A US120888D A US 120888DA US 120888 A US120888 A US 120888A
- Authority
- US
- United States
- Prior art keywords
- piston
- packings
- spring
- improvement
- springs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
- F16J9/06—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction using separate springs or elastic elements expanding the rings; Springs therefor ; Expansion by wedging
- F16J9/061—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction using separate springs or elastic elements expanding the rings; Springs therefor ; Expansion by wedging using metallic coiled or blade springs
- F16J9/063—Strip or wire along the entire circumference
Definitions
- HERSCHEL P. MCOARROLL 0F PITTSBURG, PENN SYLVANI.
- This invention relates to the use of a cont-inuously self-acting expansion spring within the ordinar-ypacking-sprin g of a steam-en gine or pumppiston, and to a new arrangement of interior steady-pins, as hereinafter more fully described.
- a in the drawing represents the piston-rod, B and (l are the pistonheads, D is the packingspring, and E a portion of the cylinder within which the pistou works.
- One of the heads B has a projecting ring, a, against which the head C rests.
- a coiled spring, F Between this ring a and the packingspring D is interposed a coiled spring, F, which bears with constant pressure against the spring D and counteracts the contracting efforts of the same.
- the power of the springs D F will always be balanced, for the latter becomes weaker as the former is enlarged, and consequently also weakcned. In this manner an equal pressure on all points ofthe packing-spring is sustained.
- a series of springs, b b which are, by jointed links d d, connected with radial steady-pins e e.
- the pins c serve to steady the coiled spring and make it act uniformly against the packing-spring.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wire Processing (AREA)
- Springs (AREA)
Description
H. P. MCCARROLL Y lmprovement'in PistonPackng'.
N0. 126,888. I P'artevnted'Npv. 14,1871.
PATENT OFFICE.
HERSCHEL P. MCOARROLL, 0F PITTSBURG, PENN SYLVANI.
IM PROVEMENT IN PISTON-PACKINGS.
Specification forming part of Letters Patent No. 120,888, dated November 14, 1871.
To all whom it may concern:
Be it known that I, HEEscEEL P. McCAR- ROLL, of Pittsburg, in the county of Allegheny and State of Pennsylvania, have invented a new and Improved Piston-Packing 5 and I do hereby declare that the following is' a full, clear, and exact description thereof, which will enable others skilled in the art to make and use the same, reference being had to the accompanying drawing formin g a part of this specification, in which- Figure l represents a transverse section of my improved piston-packing on the line o c, Fig. 2. Fig. 2 is a longitudinal section of the same on the line 7c lc, Fig. l.
Similar letters ofreferenee indicate corresponding parts.
This invention relates to the use of a cont-inuously self-acting expansion spring within the ordinar-ypacking-sprin g of a steam-en gine or pumppiston, and to a new arrangement of interior steady-pins, as hereinafter more fully described.
A in the drawing represents the piston-rod, B and (l are the pistonheads, D is the packingspring, and E a portion of the cylinder within which the pistou works. One of the heads B has a projecting ring, a, against which the head C rests. Between this ring a and the packingspring D is interposed a coiled spring, F, which bears with constant pressure against the spring D and counteracts the contracting efforts of the same. The power of the springs D F will always be balanced, for the latter becomes weaker as the former is enlarged, and consequently also weakcned. In this manner an equal pressure on all points ofthe packing-spring is sustained. To the inner side of the ring a is secured a series of springs, b b, which are, by jointed links d d, connected with radial steady-pins e e. These pins lit through the ring c and bear, by the power of the springs b, against the inner face of the spring F, as is clearly shown in Fig. 1. The pins c serve to steady the coiled spring and make it act uniformly against the packing-spring.
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-
1. The circular and expansive spring F, when combined with the ring D, springs b, and pin c, as and for the purpose specified.
2. The steady-pins e applied by the pressure of the springs b against the inner periphery ofthe coiled spring F, as specified.
- HERSCHEL P. MCGARROLL. Witnesses:
JOHN L. McUAREoLL,
GEORG W. CRAFT. (151)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US120888A true US120888A (en) | 1871-11-14 |
Family
ID=2190332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US120888D Expired - Lifetime US120888A (en) | Improvement in piston-packings |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US120888A (en) |
-
0
- US US120888D patent/US120888A/en not_active Expired - Lifetime
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